FR2393851A1 - PROCESS FOR THE PREPARATION OF ALLOYS CONTAINING CHROME - Google Patents
PROCESS FOR THE PREPARATION OF ALLOYS CONTAINING CHROMEInfo
- Publication number
- FR2393851A1 FR2393851A1 FR7817039A FR7817039A FR2393851A1 FR 2393851 A1 FR2393851 A1 FR 2393851A1 FR 7817039 A FR7817039 A FR 7817039A FR 7817039 A FR7817039 A FR 7817039A FR 2393851 A1 FR2393851 A1 FR 2393851A1
- Authority
- FR
- France
- Prior art keywords
- preparation
- chromium
- alloys containing
- containing chrome
- furnace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5229—Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5264—Manufacture of alloyed steels including ferro-alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C2250/00—Specific additives; Means for adding material different from burners or lances
- C21C2250/06—Hollow electrode
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
a. Procédé de préparation d'alliages contenant du chrome. b. Un four est traversé d'électrodes 11 creuses et renferment une charge 12 de telle sorte qu'il se crée un arc entre l'électrode 11 et la charge 12 grâce à un contact 13 ménagé dans le fond du four. On charge des produits chromifères par une électrode creuse 15 ou par une lance 16. Ces produits chromifères sont réduits en chrome qui s'allie au bain fondu. c. Industrie métallurgique.at. Process for the preparation of alloys containing chromium. b. A furnace is crossed by hollow electrodes 11 and contain a charge 12 such that an arc is created between the electrode 11 and the charge 12 by virtue of a contact 13 formed in the bottom of the furnace. Chromium products are charged by a hollow electrode 15 or by a lance 16. These chromium products are reduced to chromium which alloys in the molten bath. vs. Metallurgical industry.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7706700A SE405983B (en) | 1977-06-09 | 1977-06-09 | KIT FOR MANUFACTURE OF CHROME-ALLOY IN LIGHT BACK OVEN |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2393851A1 true FR2393851A1 (en) | 1979-01-05 |
FR2393851B1 FR2393851B1 (en) | 1984-11-30 |
Family
ID=20331552
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7817039A Granted FR2393851A1 (en) | 1977-06-09 | 1978-06-07 | PROCESS FOR THE PREPARATION OF ALLOYS CONTAINING CHROME |
Country Status (6)
Country | Link |
---|---|
US (1) | US4177061A (en) |
JP (1) | JPS544217A (en) |
DE (1) | DE2823234A1 (en) |
FR (1) | FR2393851A1 (en) |
GB (1) | GB1601490A (en) |
SE (1) | SE405983B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0179336A1 (en) * | 1984-10-12 | 1986-04-30 | Nippon Kokan Kabushiki Kaisha | Method of refining molten steel by arc process |
EP0721990A1 (en) * | 1995-01-16 | 1996-07-17 | KCT Technologie GmbH | Method for producing alloyed steels |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO155669C (en) * | 1980-06-23 | 1987-05-06 | Asea Ab | PROCEDURE FOR MANUFACTURING RAJJAR AND SYNTHESIC GAS. |
JPS6442512A (en) * | 1987-08-13 | 1989-02-14 | Uralsky Inst Chernykh Metall | Steel making method using sponge iron |
US4913732A (en) * | 1988-05-19 | 1990-04-03 | Nkk Corporation | Method for smelting reduction in electric furnace |
JP2564604B2 (en) * | 1988-05-19 | 1996-12-18 | 日本鋼管株式会社 | Electric furnace refining method for chromium-containing steel |
JPH04148916A (en) * | 1990-10-12 | 1992-05-21 | Tokai Kogyo Kk | Manufacture of blow molding |
US5766303A (en) * | 1992-11-10 | 1998-06-16 | Exide Corporation | Process for the remediation of lead-contaminated soil and waste battery casings |
AU7075696A (en) * | 1995-09-19 | 1997-04-09 | Exide Corporation | Process for the destruction of chemical agents and munitions |
US5942023A (en) * | 1997-02-12 | 1999-08-24 | Exide Corporation | Process for recovering metals from electric arc furnace (EAF) dust |
EP2800823B1 (en) | 2012-01-03 | 2015-03-18 | ABB Research Ltd. | A method for melting steel |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU57377A1 (en) * | 1968-11-25 | 1969-03-03 | ||
DE1939044A1 (en) * | 1968-07-31 | 1970-02-05 | Armco Steel Corp | Process for the production of stainless steel |
FR2223459A1 (en) * | 1973-03-30 | 1974-10-25 | Asea Ab | |
FR2249956A1 (en) * | 1973-11-05 | 1975-05-30 | Murton Crawford |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2303973A (en) * | 1939-09-22 | 1942-12-01 | Armstrong Harry Howard | Method of and apparatus for production of master alloys |
US3158464A (en) * | 1963-05-23 | 1964-11-24 | Union Carbide Corp | Ferrochromium production |
DE2132666A1 (en) * | 1971-07-01 | 1973-01-18 | Ernst Brederhoff | Ores and metal oxides - reduced with reducing gases esp methane in arc furnace |
SE7503782L (en) * | 1975-04-02 | 1976-10-03 | Asea Ab | METHODS AND DEVICE FOR MELT REDUCTION OF FINE-GRAY IRON OXY-CONTAINING MATERIAL |
-
1977
- 1977-06-09 SE SE7706700A patent/SE405983B/en not_active IP Right Cessation
-
1978
- 1978-05-23 GB GB21276/78A patent/GB1601490A/en not_active Expired
- 1978-05-27 DE DE19782823234 patent/DE2823234A1/en not_active Ceased
- 1978-06-07 FR FR7817039A patent/FR2393851A1/en active Granted
- 1978-06-07 US US05/913,040 patent/US4177061A/en not_active Expired - Lifetime
- 1978-06-08 JP JP6838378A patent/JPS544217A/en active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1939044A1 (en) * | 1968-07-31 | 1970-02-05 | Armco Steel Corp | Process for the production of stainless steel |
LU57377A1 (en) * | 1968-11-25 | 1969-03-03 | ||
FR2223459A1 (en) * | 1973-03-30 | 1974-10-25 | Asea Ab | |
FR2249956A1 (en) * | 1973-11-05 | 1975-05-30 | Murton Crawford |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0179336A1 (en) * | 1984-10-12 | 1986-04-30 | Nippon Kokan Kabushiki Kaisha | Method of refining molten steel by arc process |
US4652306A (en) * | 1984-10-12 | 1987-03-24 | Nippon Kokan Kabushiki Kaisha | Method of refining molten steel by arc process |
EP0721990A1 (en) * | 1995-01-16 | 1996-07-17 | KCT Technologie GmbH | Method for producing alloyed steels |
US6077324A (en) * | 1995-01-16 | 2000-06-20 | Kct Technologie Gmbh | Method for producing alloyed steels |
Also Published As
Publication number | Publication date |
---|---|
FR2393851B1 (en) | 1984-11-30 |
JPS6356287B2 (en) | 1988-11-08 |
US4177061A (en) | 1979-12-04 |
SE405983B (en) | 1979-01-15 |
GB1601490A (en) | 1981-10-28 |
JPS544217A (en) | 1979-01-12 |
SE7706700L (en) | 1978-12-10 |
DE2823234A1 (en) | 1978-12-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |